Add pin icon to the omnibar in windows 8 metro mode.

chrome/browser/ui/views/location_bar/metro_pin_view.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/views/location_bar/metro_pin_view.h"
+
+#include "base/utf_string_conversions.h"
+#include "chrome/app/chrome_command_ids.h"
+#include "chrome/browser/command_updater.h"
+#include "chrome/browser/ui/view_ids.h"
+#include "chrome/browser/ui/views/browser_dialogs.h"
+#include "grit/generated_resources.h"
+#include "grit/theme_resources.h"
+#include "ui/base/accessibility/accessible_view_state.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+
+MetroPinView::MetroPinView(CommandUpdater* command_updater)
+    : command_updater_(command_updater) {
+  set_id(VIEW_ID_STAR_BUTTON);

[sky, 2012/07/20 16:46:41]

This isn't the right id.

[benwells, 2012/07/23 08:03:43]

Done.

+  SetIsPinned(false);
+  set_accessibility_focusable(true);
+  TouchableLocationBarView::Init(this);
+}
+
+MetroPinView::~MetroPinView() {
+}
+
+void MetroPinView::SetIsPinned(bool is_pinned) {
+  SetTooltipText(l10n_util::GetStringUTF16(
+      is_pinned ? IDS_TOOLTIP_METRO_PINNED : IDS_TOOLTIP_METRO_PIN));
+  SetImage(ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
+      is_pinned ? IDR_METRO_PINNED : IDR_METRO_PIN));
+}
+
+int MetroPinView::GetBuiltInHorizontalPadding() const {
+  return GetBuiltInHorizontalPaddingImpl();
+}
+
+void MetroPinView::GetAccessibleState(ui::AccessibleViewState* state) {
+  state->name = l10n_util::GetStringUTF16(IDS_ACCNAME_METRO_PIN);
+  state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
+}
+
+bool MetroPinView::OnMousePressed(const views::MouseEvent& event) {
+  // We want to show the bubble on mouse release; that is the standard behavior

[sky, 2012/07/20 16:46:41]

The reason StarView isn't a button is that it shows a bubble. That isn't the
case with this class. You should be able to use an ImageButton.

[benwells, 2012/07/23 08:03:43]

Cool, that's much better!

+  // for buttons.
+  return true;
+}
+
+void MetroPinView::OnMouseReleased(const views::MouseEvent& event) {
+  if (event.IsOnlyLeftMouseButton() && HitTest(event.location()))
+    command_updater_->ExecuteCommand(IDC_METRO_PIN_TO_START_SCREEN);
+}
+
+ui::GestureStatus MetroPinView::OnGestureEvent(
+    const views::GestureEvent& event) {
+  if (event.type() == ui::ET_GESTURE_TAP) {
+    command_updater_->ExecuteCommand(IDC_METRO_PIN_TO_START_SCREEN);
+    return ui::GESTURE_STATUS_CONSUMED;
+  }
+  return ui::GESTURE_STATUS_UNKNOWN;
+}
+
+bool MetroPinView::OnKeyPressed(const views::KeyEvent& event) {
+  if (event.key_code() == ui::VKEY_SPACE ||
+      event.key_code() == ui::VKEY_RETURN) {
+    command_updater_->ExecuteCommand(IDC_METRO_PIN_TO_START_SCREEN);
+    return true;
+  }
+  return false;
+}